Re: Read HFile from Local file system for studying and testing

On Thu, Apr 14, 2016 at 8:03 PM, Bin Wang wrote: > Hi there, > > I have a HFile that I copied from HDFS down to my laptop. > > I am trying to use the HFile.createreader to read in that HFile and play > with it. However, it was really hard to figure that out how to read it

[ANNOUNCE] YCSB 0.8.0 Release

On behalf of the development community, I am pleased to announce the release of YCSB 0.8.0. With the help of other HBase community developers we are continuing to make enhancements to this binding. Highlights: * Amazon S3 improvments including proper closing of the S3Object * Apache Cassandra

Re: Read HFile from Local file system for studying and testing

Please take a look at: hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFile.java There're various tests under hbase-server/src/test which demonstrate the usage. FYI On Thu, Apr 14, 2016 at 8:03 PM, Bin Wang wrote: > Hi there, > > I have a HFile that I

Read HFile from Local file system for studying and testing

Hi there, I have a HFile that I copied from HDFS down to my laptop. I am trying to use the HFile.createreader to read in that HFile and play with it. However, it was really hard to figure that out how to read it from local file system. public class MyHbase { public static void

Re: Append Visibility Labels?

> > ​Actually the old product data doesn't have to die, Benedict. Set > > VERSIONS > 1 in your schema. The old cell version(s) carrying the old > > label set will still be there, accessible with a Scan that asks for N > > versions instead of just the latest. You'll get back a Result with up > > to

Re: [ERROR]: Spark 1.5.2 + Hbase 1.1 + Hive 1.2 + HbaseIntegration

forward you this mails, hope these can help you, you can take a look at this post http://www.abcn.net/2014/07/lighting-spark-with-hbase-full-edition.html 2016-03-04 3:30 GMT+01:00 Divya Gehlot : > Hi Teng, > > Thanks for the link you shared , helped me figure out the

Hbase Replication no longer replicating, help diagnose

my hbase replication has stopped I am on hbase version 1.0.0-cdh5.4.8 (Cloudera build) I have 2 clusters in 2 different datacenters 1 is master the other is slave I see the following errors in log 2016-04-13 22:32:50,217 WARN

Re: Region server crashes after GC pause time

Dump the jvm heap，analysis the the heap and find which query(s) cost so many memory？ In my ever bad case，the RS crashed for Long GC pauses because of a big query on Batch Get operation. In addition，I think you can increase the men of JVM, 512m is so small for RS. 在 16/4/14 14:00， "karthi

Region server crashes after GC pause time

Hi , i got this issue in HBase while at peak time handling more requests . can any one pls guide me to resolve the Long GC pauses in hbase . JDK-7 , JVM heap 512m HBase 0.98.13 INFO [JvmPauseMonitor] util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately